From dee3da69d48c17a1eb7ea457fa6104f46c7aa85c Mon Sep 17 00:00:00 2001
From: Jonas Jenwald <jonas.jenwald@gmail.com>
Date: Sun, 6 Oct 2019 17:55:48 +0200
Subject: [PATCH] Have `gulp importl10n` list locales which may be candidates
 for removal

Rather than having the script remove locales automatically, which seems like a heavy-handed approach at least initially, listing these for manual checking seems nice though.
---
 external/importL10n/locales.js | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/external/importL10n/locales.js b/external/importL10n/locales.js
index f8c43cfc9..3ea65e627 100644
--- a/external/importL10n/locales.js
+++ b/external/importL10n/locales.js
@@ -110,6 +110,21 @@ async function downloadL10n(root, callback) {
     }
     await downloadLanguageFiles(root, langCode);
   }
+
+  var removeCodes = [];
+  for (var entry of fs.readdirSync(root)) {
+    var dirPath = path.join(root, entry), stat = fs.lstatSync(dirPath);
+
+    if (stat.isDirectory() && entry !== 'en-US' &&
+        (!langCodes.includes(entry) || EXCLUDE_LANG_CODES.includes(entry))) {
+      removeCodes.push(entry);
+    }
+  }
+  if (removeCodes.length) {
+    console.log('\nConsider removing the following unmaintained locales:\n' +
+                removeCodes.join(', ') + '\n');
+  }
+
   if (callback) {
     callback();
   }